Part of a propeller for an axial flow fan



FIG. 1 is a perspective view showing our new design;

FIG. 2 is a top view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof:

FIG. 5 is a bottom view thereof;

FIG. 6 is a left side view thereof; and,

FIG. 7 is a right side thereof.

The broken line showing of fan blades and a hub is included for the purpose of illustrating environmental structure and forms no part of the claimed design. 

The ornamental design for a part of a propeller for an axial flow fan, as shown and described. 